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Product differentiation and duopoly: when social welfare benefits from cross-shareholding

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  • Luciano Fanti

Abstract

The present paper analyses the effects on social welfare of a partial crossparticipation at ownership level in a differentiated Cournot duopoly. We show that cross-participation, despite the fact it appears as an anti-competitive practice which reduces the degree of market competition, may increase social welfare when the products are complements between them, and, moreover, not only profit but also consumer’s welfare is enhanced. Therefore, the policy implication is that in industries characterised by product complementarity larger cross-participations at ownership level should be allowed, despite their anticompetitive nature.

Suggested Citation

  • Luciano Fanti, 2011. "Product differentiation and duopoly: when social welfare benefits from cross-shareholding," Discussion Papers 2011/129, Dipartimento di Economia e Management (DEM), University of Pisa, Pisa, Italy.
  • Handle: RePEc:pie:dsedps:2011/129
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    File URL: http://www.ec.unipi.it/documents/Ricerca/papers/2011-129.pdf
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    References listed on IDEAS

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    1. Inés Macho-Stadler & Thierry Verdier, 1991. "Strategic managerial incentives and cross ownership structure: A note," Journal of Economics, Springer, vol. 53(3), pages 285-297, October.
    2. Juan Carlos Bárcena-Ruiz & Norma Olaizola, 2006. "Cost-Saving Production Technologies And Strategic Delegation ," Australian Economic Papers, Wiley Blackwell, vol. 45(2), pages 141-157, June.
    3. Hiroshi Osano, 2011. "Partial Ownership and Strategic Alliances with Reallocation of Corporate Resources," Journal of Institutional and Theoretical Economics (JITE), Mohr Siebeck, Tübingen, vol. 167(2), pages 202-223, June.
    4. Qiu, Larry D., 1997. "On the Dynamic Efficiency of Bertrand and Cournot Equilibria," Journal of Economic Theory, Elsevier, vol. 75(1), pages 213-229, July.
    5. Eirik S. Amundsen & Lars Bergman, 2002. "Will Cross-Ownership Re-Establish Market Power in the Nordic Power Market?," The Energy Journal, International Association for Energy Economics, vol. 0(Number 2), pages 73-95.
    6. Philip M. Parker & Lars-Hendrik Roller, 1997. "Collusive Conduct in Duopolies: Multimarket Contact and Cross-Ownership in the Mobile Telephone Industry," RAND Journal of Economics, The RAND Corporation, pages 304-322.
    7. David Gilo & Yossi Moshe & Yossi Spiegel, 2006. "Partial cross ownership and tacit collusion," RAND Journal of Economics, RAND Corporation, vol. 37(1), pages 81-99, March.
    8. Reitman, David, 1994. "Partial Ownership Arrangements and the Potential for Collusion," Journal of Industrial Economics, Wiley Blackwell, vol. 42(3), pages 313-322, September.
    9. Rupayan Pal, 2010. "How much should you own? Cross-ownership and privatization," Indira Gandhi Institute of Development Research, Mumbai Working Papers 2010-015, Indira Gandhi Institute of Development Research, Mumbai, India.
    10. Hackner, Jonas, 2000. "A Note on Price and Quantity Competition in Differentiated Oligopolies," Journal of Economic Theory, Elsevier, vol. 93(2), pages 233-239, August.
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    13. repec:ebl:ecbull:v:15:y:2007:i:6:p:1-8 is not listed on IDEAS
    14. Trivieri, Francesco, 2007. "Does cross-ownership affect competition?: Evidence from the Italian banking industry," Journal of International Financial Markets, Institutions and Money, Elsevier, vol. 17(1), pages 79-101, February.
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    Cited by:

    1. Fanti, Luciano, 2016. "Social welfare and cross-ownership in a vertical industry: When the mode of competition matters for antitrust policy," Japan and the World Economy, Elsevier, vol. 37, pages 8-16.

    More about this item

    Keywords

    Complementary products; Cross-ownership; Duopoly; Product differentiation; Social welfare.;

    JEL classification:

    • D43 - Microeconomics - - Market Structure, Pricing, and Design - - - Oligopoly and Other Forms of Market Imperfection
    • L13 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Oligopoly and Other Imperfect Markets
    • L4 - Industrial Organization - - Antitrust Issues and Policies

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